Compost bin



FIG. 1 is a perspective view of the compost bin, showing the door panels in the closed position;

FIG. 2 is a side view of the compost bin, the opposite side view being the same;

FIG. 3 is a front view of the compost bin, the rear view being the same;

FIG. 4 is a top view of the compost bin; and,

FIG. 5 is a perspective view of the compost bin, similar to FIG. 1 but showing one door panel in the raised position for removal of compost. 

The ornamental design for a compost bin, as shown. 